[OpenBIOS] [PATCH 2/5] libopenbios: introduce new get_path_from_ph() helper function

[Mark Cave-Ayland]

This helper function returns the full device path for the device with the
given phandle as a string.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland at ilande.co.uk>
---
 openbios-devel/include/libopenbios/bindings.h |    1 +
 openbios-devel/libopenbios/bindings.c         |    8 ++++++++
 2 files changed, 9 insertions(+)

diff --git a/openbios-devel/include/libopenbios/bindings.h b/openbios-devel/include/libopenbios/bindings.h
index de9c775..4ec9789 100644
--- a/openbios-devel/include/libopenbios/bindings.h
+++ b/openbios-devel/include/libopenbios/bindings.h
@@ -56,6 +56,7 @@ extern ihandle_t	open_package( const char *argstr, phandle_t ph );
 extern ihandle_t	open_dev( const char *spec );
 extern void		close_package( ihandle_t ih );
 extern void		close_dev( ihandle_t ih );
+extern char		*get_path_from_ph( phandle_t ph );
 
 /* property access */
 extern void		set_property( phandle_t ph, const char *name,
diff --git a/openbios-devel/libopenbios/bindings.c b/openbios-devel/libopenbios/bindings.c
index 5323421..4f7a993 100644
--- a/openbios-devel/libopenbios/bindings.c
+++ b/openbios-devel/libopenbios/bindings.c
@@ -366,6 +366,14 @@ find_dev( const char *path )
 	return ret;
 }
 
+char *
+get_path_from_ph( phandle_t ph )
+{
+	PUSH(ph);
+	fword("get-package-path");
+	return pop_fstr_copy();
+}
+
 phandle_t
 dt_iter_begin( void )
 {
-- 
1.7.10.4